Changelog:
[Chris Lamb]
Don't raise a traceback if we cannot de-marshal Python bytecode to support
Python 3.7 loading newer .pyc files.
(Closes: reproducible-builds/diffoscope#284)
Fix Python tests under Python 3.7 with file 5.39+.
[Vagrant Cascadian]
Skip Python bytecode testing when "file" is older than 5.39.
[Roland Clobus]
Detect whether the GNU_BUILD_ID field has been modified.
Signed-off-by: Wang Mingyu <wangmy@fujitsu.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>